"There is a lot of confusing information about the GNU/Linux operating system, open source and free software, and related issues in the press today. Many of these technologies and concepts are difficult to understand because they deviate from the standard historical traditions of the software industry. There are also a number of sponsored reports and other corporate propaganda published around the Web that smear the image of Linux and free software. In the interest of making a few basic concepts clear, this article will bring light to the darkness perpetuated by uninformed journalists, campaigning CEOs, and misleading advertisements."